Presentations

Notes:

1. Scientific and technical information contained in this presentation has been reviewed and approved by Emerson Ricardo Re, Resource Manager. Mr. Re is an employee of Ero and Qualified Person” as defined by Canadian Securities Administrators’ National Instrument 43-101 - Standards of Disclosure for Mineral Projects.
2. Mineral resources shown within the three-dimensional (“3D”) model portion of this presentation are as outlined in the Company’s 2020 Technical Report. Mineral resources shown inclusive of mineral reserves. Mineral resources which are not mineral reserves do not have demonstrated economic viability. Drill hole information including mineralized intercepts shown within the 3D model portion of this presentation is as outlined in the Company’s news releases published on the Company’s website (www.erocopper.com) and on SEDAR (http://www.sedar.com).
3. Where applicable, exploration target projection(s) are shown to demonstrate future area of exploration focus within the Company’s operations. These projections are based on data compilation work which includes review of geological controls, structural analysis and copper mineralization identified during the Company’s technical programs. The interpretation and boundary limits do not imply continuity of mineralization, or actual thickness of mineralization which has yet to be defined.